Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
324623 (2007 AQ21)
Classification: Main-belt Asteroid          SPK-ID: 2324623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2194573133127444 1.0181e-07  
a 2.60452977973311 2.8939e-08 au
q 2.032946671829848 2.8037e-07 au
i 3.135456557422032 6.7458e-06 deg
node 83.77815838280547 0.00012388 deg
peri 303.3955735975661 0.00012496 deg
M 37.02678111276501 1.1993e-05 deg
tp 2458442.591366243204
(2018-Nov-20.09136624)
5.1093e-05 TDB
period 1535.297059156145
4.20
2.5588e-05
7.006e-08
d
yr
n .2344823093700635 3.908e-09 deg/d
Q 3.176112887636372 3.529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6364 days (17.42 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59082  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:48:56  

Additional Information
 Earth MOID = 1.03897 au 
 Jupiter MOID = 2.2727 au 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO455393  

324623 (2007 AQ21)          Discovered 2007-Jan-15 by CSS at Catalina
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2007 AQ21 = 2001 QD162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin